Create a Bootable USB Drive for Installing macOS Catalina [How To]

Creating a Bootable USB Drive for macOS Catalina 10.15 [Tutorial]

This is an easy step by step guide on how to create a bootable macOS USD install drive for Catalina. These steps will word for developers beta, public beta and the final version scheduled to be released this fall.

To go through this process you need to have a working USB flash drive with a minimum 8GB of storage capacity. Make sure you don’t have any important stuff stored in this USB drive when starting the process because this drive is going to be formatted during this process.